Question

Do the following questions:
Q1. Find the value of x so that 3x + 2,7x-1 and 6x + 6 are three consecutive terms of an A.P. (2

Q2. Find the 20th term from the end of the A.P3,8,13, ... 253.
(2
Q3. The coordinates of the centroidof a triangle are (1,3) and the two vertices are (8,5)
and -7 6). Find the third vertex of the triangle.
(2
Q4. The 7th term of an A.P.Is 32 and its 13 th term is 62. Find the A.P.
(3
05. Three consecutive vertices of a parallelogram are(-2,-1), (1,0) and (4,3). Find the
coordinate of the fourth
vertex
(3
Q6. The line segment joining the points (3,-4) and(1,2) is trisected at the points Pando.
If the coordinates of P and Q are (p.-2) and a) respectively, find the values of panda. (4
Q7. The sum of the first 20 terms of an A.P.Is 400 and the sum of the first 40 terms is 1600.
Find the sum of its first 10 terms.
2​

Answer 1

Answer:

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